题目内容

()thetopofthebuildingyoucanseeendlesslinesofbusesandcarscominginandgoingoutofthecity.

A. on
B. of
C. off
D. at

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Beescommunicatebydancing:Forexample,theydoakindofdancetotellotherbeesaboutthe()offlowers.

A.

location


B.

located


C.

locate


D.

locates


Hejumpedontothetrainjustasitwaspulling().

A. off
B. away

Thereportsays()ofnewhomesareup20%overthelastsixmonths.

A. sales
B. salary
C. sale
D. saled

Theirmarketingplanisbased()astudyofcustomerneeds.

A. out
B. on
C. with
D. in

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